Keysight U1251B Guia Del Usuario página 74

2 Making Measurements
If you are working in a constantly varying environment, where ambient
temperatures are not constant, do the following:
1 Press
2 Avoid contact between the thermocouple probe and the measurement surface.
3 After a constant reading is obtained, press
4 Touch the measurement surface with the thermocouple probe.
5 Read the display for the relative temperature.
72
to select 0 °C compensation. This gives a quick measurement of
the relative temperature.
relative reference temperature.
Keysight U1251B and U1252B User's and Service Guide
to set the reading as the